Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Code also
allergy status such as:
allergy status to drugs, medicaments and biological substances (Z88.-)
allergy status, other than to drugs and biological substances (Z91.0-)
Applies from Z87 Personal history of other diseases and conditions
Code first
any follow-up examination after treatment (Z09)
Applies from Z87.8 Personal history of other specified conditions
Excludes2 (not included here)
personal history of self harm (Z91.5-)
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Approximate ICD-9-CM (GEMs)
V13.81 Personal history of anaphylaxis
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z87.892
Back-references to Z87.892
Use Additional: D89.44 Hereditary alpha tryptasemia ("personal history of anaphylaxis (Z87.892)")
Type 2 Excludes: Z86.7 Personal history of diseases of the circulatory system ("personal history of anaphylactic shock (Z87.892)")
Back-references to Z87
Use Additional: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("code to identify any applicable history of disease code (Z86.-, Z87.-)")
Diagnosis Index entries for Z87.892
History › personal (of) › anaphylactic shock
History › personal (of) › anaphylaxis
Nearby codes
Z87.821 Personal history of retained foreign body fully removed
Z87.828 Personal history of other (healed) physical injury and trauma
Z87.89 Personal history of other specified conditions